Base | Representation |
---|---|
bin | 10001010010110… |
… | …111110110010010 |
3 | 202012222122201100 |
4 | 101102313312102 |
5 | 1043240110033 |
6 | 44443045230 |
7 | 10122214401 |
oct | 2122676622 |
9 | 665878640 |
10 | 290160018 |
11 | 139873575 |
12 | 81210816 |
13 | 48164025 |
14 | 2a771638 |
15 | 1a718513 |
hex | 114b7d92 |
290160018 has 24 divisors (see below), whose sum is σ = 631507968. Its totient is φ = 96284952.
The previous prime is 290160007. The next prime is 290160037. The reversal of 290160018 is 810061092.
It is a junction number, because it is equal to n+sod(n) for n = 290159973 and 290160000.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32130 + ... + 40157.
It is an arithmetic number, because the mean of its divisors is an integer number (26312832).
Almost surely, 2290160018 is an apocalyptic number.
290160018 is an abundant number, since it is smaller than the sum of its proper divisors (341347950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290160018 is a wasteful number, since it uses less digits than its factorization.
290160018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72518 (or 72515 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 290160018 is about 17034.0840082465. The cubic root of 290160018 is about 662.0323167960.
The spelling of 290160018 in words is "two hundred ninety million, one hundred sixty thousand, eighteen".
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